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$Be {(OH)}_{2} + 2 HCl + 2 H_{2} O \to X$ In the complex “X”, oxidation state and coordination number of Be are respectively

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+2 and 4

+2 and 6

+4 and 4

+4 and 6

answer is A.

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Detailed Solution

$Be {(OH)}_{2} + 2 HCl + 2 H_{2} \overset{}{\to} \underset{Tetra hydroxy beryllium chloride}{\overset{+ 4}{Be} {(OH)}_{4}} + {Cl}_{2}$

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